We reserve the right to make changes Page 3 of 20General information before starting installation Check that the following papers have been supplied with the product:- Installation and maintenance (this document)- User manual- Wiring diagramShould you have any further questions concerning installation of the product after reading theguide, please contact your nearest Nilan dealer, by visiting www.nilan.dk/dealersThe product is controlled by an CTS 700 control system, which provides a wide range of functions.Compact P is a heat recovery ventilation system with a capacity of up to 330m 3/h at 100Pa exter-nal counter pressure. The system prioritises first the heat pump, second a 180-litre hot water tankand then intet air.The outdoor AIR 9 heat pump is an air-to-water heat pump, designed for heating homes with lowtemperature central heating systems with a supply temperature of up to 45 °C.All necessary permits and approvals must be obtained from the relevant authorities before in-stalling an outdoor air heat pump. Check for any noise limitations which may apply to the outdoorelement of the heat pump.The unit is supplied with integral G4 panel filter and humidity sensor. The unit can also be fittedwith a pollen filter (accessory).This manual might describe functions and facilities that are not present in your system.IMPORTANT: If the plant is damaged in any way it must be inspected and repaired by an author-ized person.